Home / 22,129,846.70-30,539,188.43-12,962,489.45

Finding the Fourth Proportional to 22,129,846.70, 30,539,188.43 and 12,962,489.45

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Solution

The fourth proportional to 22,129,846.70, 30,539,188.43 and 12,962,489.45 is: 17,888,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129,846.70 : 30,539,188.43 = 12,962,489.45 : x
  2. Step 2: Convert to fraction form
    22,129,846.70/30,539,188.43 = 12,962,489.45/x
  3. Step 3: Cross multiply
    22,129,846.70x = 30,539,188.43 × 12,962,489.45
  4. Step 4: Simplify right side
    22,129,846.70x = 395,863,907,617,928.69
  5. Step 5: Solve for x
    x = 395,863,907,617,928.69/22,129,846.70
  6. Step 6: Final answer
    x = 17,888,235.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.